Home / 7,415.22-11,126.07-5,769.30

Finding the Fourth Proportional to 7,415.22, 11,126.07 and 5,769.30

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Solution

The fourth proportional to 7,415.22, 11,126.07 and 5,769.30 is: 8,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.22 : 11,126.07 = 5,769.30 : x
  2. Step 2: Convert to fraction form
    7,415.22/11,126.07 = 5,769.30/x
  3. Step 3: Cross multiply
    7,415.22x = 11,126.07 × 5,769.30
  4. Step 4: Simplify right side
    7,415.22x = 64,189,635.65
  5. Step 5: Solve for x
    x = 64,189,635.65/7,415.22
  6. Step 6: Final answer
    x = 8,656.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.